docs: update Features and Architecture for config list/detail redesign
- Features.md §6: describe list/detail layout with active/inactive badges,
active-first sort, and per-item collapsible raw config editing
- Architekture.md routers: add file_config.py router entry
- Architekture.md services: add file_config_service.py and conffile_parser.py
- Architekture.md components: add ConfigListDetail, RawConfigSection,
AutoSaveIndicator
- Architekture.md hooks: add useConfigActiveStatus, useFilterConfig,
useActionConfig, useJailFileConfig, useAutoSave
- Architekture.md API layer: expand config.ts entry with full function list